Publications

seasonal abundance of muscidae (diptera) associated with cattle on a northern transvaal farm.	face flies were collected from cattle over a 14-mo period in an area where parafilaria bovicola tubangui was prevalent. three species of musca known to be vectors of p. bovicola were found. two of the species (musca lusoria wiedeman and m. xanthomelas wiedeman) were collected throughout the year, and m. nevilli kleynhans was abundant only in autumn.	1989	2769718
the seasonal incidence of helminth parasites of cattle in the northern transvaal bushveld.	during a period of 14 months two tracer calves per month were slaughtered after one month's exposure to natural helminth infestation on a farm in the northern transvaal bushveld. total parasitic helminth burdens, which were never large, were determined in order to define their seasonal incidence. the gastro-intestinal parasites that were recovered were bunostomum phlebotomum, cooperia pectinata, cooperia punctata, haemonchus placei, oesophagostomum radiatum and trichostongylus spp. of these coop ...	1979	551181